Table 2: Values of exponents 𝛽 (slope the straight line) and of the linear correlation coefficient 𝑅 2 .

SubstratesExponents 𝛽 Correlation
coefficient 𝑅 2

Glass/MPS/Gold (5.1 nm)0.040.99
Glass/MPS/Gold (21.2 nm)0.0650.97
Glass/MPS/Gold/Dithiol/Gold (4.8 nm)0.0720.99
Glass/MPS/Gold/ P D M S 𝑛 = 3 7 /Gold (5.4 nm)0.190.97
Glass/MPS/Gold/ P D M S 𝑛 = 1 0 /Gold (5.25 nm)0.160.96
Glass/MPS/Gold/Dithiol/Gold/Hexadecanethiol0.110.99